Release 4.11 drivers/gpu/drm/nouveau/nvkm/engine/device/user.c
/*
* Copyright 2012 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Ben Skeggs
*/
#define nvkm_udevice(p) container_of((p), struct nvkm_udevice, object)
#include "priv.h"
#include "ctrl.h"
#include <core/client.h>
#include <subdev/fb.h>
#include <subdev/instmem.h>
#include <subdev/timer.h>
#include <nvif/class.h>
#include <nvif/cl0080.h>
#include <nvif/unpack.h>
struct nvkm_udevice {
struct nvkm_object object;
struct nvkm_device *device;
};
static int
nvkm_udevice_info(struct nvkm_udevice *udev, void *data, u32 size)
{
struct nvkm_object *object = &udev->object;
struct nvkm_device *device = udev->device;
struct nvkm_fb *fb = device->fb;
struct nvkm_instmem *imem = device->imem;
union {
struct nv_device_info_v0 v0;
} *args = data;
int ret = -ENOSYS;
nvif_ioctl(object, "device info size %d\n", size);
if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "device info vers %d\n", args->v0.version);
} else
return ret;
switch (device->chipset) {
case 0x01a:
case 0x01f:
case 0x04c:
case 0x04e:
case 0x063:
case 0x067:
case 0x068:
case 0x0aa:
case 0x0ac:
case 0x0af:
args->v0.platform = NV_DEVICE_INFO_V0_IGP;
break;
default:
switch (device->type) {
case NVKM_DEVICE_PCI:
args->v0.platform = NV_DEVICE_INFO_V0_PCI;
break;
case NVKM_DEVICE_AGP:
args->v0.platform = NV_DEVICE_INFO_V0_AGP;
break;
case NVKM_DEVICE_PCIE:
args->v0.platform = NV_DEVICE_INFO_V0_PCIE;
break;
case NVKM_DEVICE_TEGRA:
args->v0.platform = NV_DEVICE_INFO_V0_SOC;
break;
default:
WARN_ON(1);
break;
}
break;
}
switch (device->card_type) {
case NV_04: args->v0.family = NV_DEVICE_INFO_V0_TNT; break;
case NV_10:
case NV_11: args->v0.family = NV_DEVICE_INFO_V0_CELSIUS; break;
case NV_20: args->v0.family = NV_DEVICE_INFO_V0_KELVIN; break;
case NV_30: args->v0.family = NV_DEVICE_INFO_V0_RANKINE; break;
case NV_40: args->v0.family = NV_DEVICE_INFO_V0_CURIE; break;
case NV_50: args->v0.family = NV_DEVICE_INFO_V0_TESLA; break;
case NV_C0: args->v0.family = NV_DEVICE_INFO_V0_FERMI; break;
case NV_E0: args->v0.family = NV_DEVICE_INFO_V0_KEPLER; break;
case GM100: args->v0.family = NV_DEVICE_INFO_V0_MAXWELL; break;
case GP100: args->v0.family = NV_DEVICE_INFO_V0_PASCAL; break;
default:
args->v0.family = 0;
break;
}
args->v0.chipset = device->chipset;
args->v0.revision = device->chiprev;
if (fb && fb->ram)
args->v0.ram_size = args->v0.ram_user = fb->ram->size;
else
args->v0.ram_size = args->v0.ram_user = 0;
if (imem && args->v0.ram_size > 0)
args->v0.ram_user = args->v0.ram_user - imem->reserved;
strncpy(args->v0.chip, device->chip->name, sizeof(args->v0.chip));
strncpy(args->v0.name, device->name, sizeof(args->v0.name));
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 520 | 100.00% | 7 | 100.00% |
| Total | 520 | 100.00% | 7 | 100.00% |
static int
nvkm_udevice_time(struct nvkm_udevice *udev, void *data, u32 size)
{
struct nvkm_object *object = &udev->object;
struct nvkm_device *device = udev->device;
union {
struct nv_device_time_v0 v0;
} *args = data;
int ret = -ENOSYS;
nvif_ioctl(object, "device time size %d\n", size);
if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "device time vers %d\n", args->v0.version);
args->v0.time = nvkm_timer_read(device->timer);
}
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 123 | 100.00% | 5 | 100.00% |
| Total | 123 | 100.00% | 5 | 100.00% |
static int
nvkm_udevice_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
{
struct nvkm_udevice *udev = nvkm_udevice(object);
nvif_ioctl(object, "device mthd %08x\n", mthd);
switch (mthd) {
case NV_DEVICE_V0_INFO:
return nvkm_udevice_info(udev, data, size);
case NV_DEVICE_V0_TIME:
return nvkm_udevice_time(udev, data, size);
default:
break;
}
return -EINVAL;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 78 | 100.00% | 4 | 100.00% |
| Total | 78 | 100.00% | 4 | 100.00% |
static int
nvkm_udevice_rd08(struct nvkm_object *object, u64 addr, u8 *data)
{
struct nvkm_udevice *udev = nvkm_udevice(object);
*data = nvkm_rd08(udev->device, addr);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 43 | 100.00% | 2 | 100.00% |
| Total | 43 | 100.00% | 2 | 100.00% |
static int
nvkm_udevice_rd16(struct nvkm_object *object, u64 addr, u16 *data)
{
struct nvkm_udevice *udev = nvkm_udevice(object);
*data = nvkm_rd16(udev->device, addr);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 43 | 100.00% | 2 | 100.00% |
| Total | 43 | 100.00% | 2 | 100.00% |
static int
nvkm_udevice_rd32(struct nvkm_object *object, u64 addr, u32 *data)
{
struct nvkm_udevice *udev = nvkm_udevice(object);
*data = nvkm_rd32(udev->device, addr);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 43 | 100.00% | 2 | 100.00% |
| Total | 43 | 100.00% | 2 | 100.00% |
static int
nvkm_udevice_wr08(struct nvkm_object *object, u64 addr, u8 data)
{
struct nvkm_udevice *udev = nvkm_udevice(object);
nvkm_wr08(udev->device, addr, data);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 41 | 100.00% | 2 | 100.00% |
| Total | 41 | 100.00% | 2 | 100.00% |
static int
nvkm_udevice_wr16(struct nvkm_object *object, u64 addr, u16 data)
{
struct nvkm_udevice *udev = nvkm_udevice(object);
nvkm_wr16(udev->device, addr, data);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 41 | 100.00% | 2 | 100.00% |
| Total | 41 | 100.00% | 2 | 100.00% |
static int
nvkm_udevice_wr32(struct nvkm_object *object, u64 addr, u32 data)
{
struct nvkm_udevice *udev = nvkm_udevice(object);
nvkm_wr32(udev->device, addr, data);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 41 | 100.00% | 2 | 100.00% |
| Total | 41 | 100.00% | 2 | 100.00% |
static int
nvkm_udevice_map(struct nvkm_object *object, u64 *addr, u32 *size)
{
struct nvkm_udevice *udev = nvkm_udevice(object);
struct nvkm_device *device = udev->device;
*addr = device->func->resource_addr(device, 0);
*size = device->func->resource_size(device, 0);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 69 | 100.00% | 3 | 100.00% |
| Total | 69 | 100.00% | 3 | 100.00% |
static int
nvkm_udevice_fini(struct nvkm_object *object, bool suspend)
{
struct nvkm_udevice *udev = nvkm_udevice(object);
struct nvkm_device *device = udev->device;
int ret = 0;
mutex_lock(&device->mutex);
if (!--device->refcount) {
ret = nvkm_device_fini(device, suspend);
if (ret && suspend) {
device->refcount++;
goto done;
}
}
done:
mutex_unlock(&device->mutex);
return ret;
}
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| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 94 | 100.00% | 2 | 100.00% |
| Total | 94 | 100.00% | 2 | 100.00% |
static int
nvkm_udevice_init(struct nvkm_object *object)
{
struct nvkm_udevice *udev = nvkm_udevice(object);
struct nvkm_device *device = udev->device;
int ret = 0;
mutex_lock(&device->mutex);
if (!device->refcount++) {
ret = nvkm_device_init(device);
if (ret) {
device->refcount--;
goto done;
}
}
done:
mutex_unlock(&device->mutex);
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 87 | 100.00% | 2 | 100.00% |
| Total | 87 | 100.00% | 2 | 100.00% |
static int
nvkm_udevice_child_new(const struct nvkm_oclass *oclass,
void *data, u32 size, struct nvkm_object **pobject)
{
struct nvkm_udevice *udev = nvkm_udevice(oclass->parent);
const struct nvkm_device_oclass *sclass = oclass->priv;
return sclass->ctor(udev->device, oclass, data, size, pobject);
}
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| Ben Skeggs | 65 | 100.00% | 3 | 100.00% |
| Total | 65 | 100.00% | 3 | 100.00% |
static int
nvkm_udevice_child_get(struct nvkm_object *object, int index,
struct nvkm_oclass *oclass)
{
struct nvkm_udevice *udev = nvkm_udevice(object);
struct nvkm_device *device = udev->device;
struct nvkm_engine *engine;
u64 mask = (1ULL << NVKM_ENGINE_DMAOBJ) |
(1ULL << NVKM_ENGINE_FIFO) |
(1ULL << NVKM_ENGINE_DISP) |
(1ULL << NVKM_ENGINE_PM);
const struct nvkm_device_oclass *sclass = NULL;
int i;
for (; i = __ffs64(mask), mask && !sclass; mask &= ~(1ULL << i)) {
if (!(engine = nvkm_device_engine(device, i)) ||
!(engine->func->base.sclass))
continue;
oclass->engine = engine;
index -= engine->func->base.sclass(oclass, index, &sclass);
}
if (!sclass) {
switch (index) {
case 0: sclass = &nvkm_control_oclass; break;
default:
return -EINVAL;
}
oclass->base = sclass->base;
}
oclass->ctor = nvkm_udevice_child_new;
oclass->priv = sclass;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 207 | 100.00% | 4 | 100.00% |
| Total | 207 | 100.00% | 4 | 100.00% |
static const struct nvkm_object_func
nvkm_udevice_super = {
.init = nvkm_udevice_init,
.fini = nvkm_udevice_fini,
.mthd = nvkm_udevice_mthd,
.map = nvkm_udevice_map,
.rd08 = nvkm_udevice_rd08,
.rd16 = nvkm_udevice_rd16,
.rd32 = nvkm_udevice_rd32,
.wr08 = nvkm_udevice_wr08,
.wr16 = nvkm_udevice_wr16,
.wr32 = nvkm_udevice_wr32,
.sclass = nvkm_udevice_child_get,
};
static const struct nvkm_object_func
nvkm_udevice = {
.init = nvkm_udevice_init,
.fini = nvkm_udevice_fini,
.mthd = nvkm_udevice_mthd,
.sclass = nvkm_udevice_child_get,
};
static int
nvkm_udevice_new(const struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
union {
struct nv_device_v0 v0;
} *args = data;
struct nvkm_client *client = oclass->client;
struct nvkm_object *parent = &client->object;
const struct nvkm_object_func *func;
struct nvkm_udevice *udev;
int ret = -ENOSYS;
nvif_ioctl(parent, "create device size %d\n", size);
if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create device v%d device %016llx\n",
args->v0.version, args->v0.device);
} else
return ret;
/* give priviledged clients register access */
if (client->super)
func = &nvkm_udevice_super;
else
func = &nvkm_udevice;
if (!(udev = kzalloc(sizeof(*udev), GFP_KERNEL)))
return -ENOMEM;
nvkm_object_ctor(func, oclass, &udev->object);
*pobject = &udev->object;
/* find the device that matches what the client requested */
if (args->v0.device != ~0)
udev->device = nvkm_device_find(args->v0.device);
else
udev->device = nvkm_device_find(client->device);
if (!udev->device)
return -ENODEV;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 245 | 99.59% | 4 | 80.00% |
| Baoyou Xie | 1 | 0.41% | 1 | 20.00% |
| Total | 246 | 100.00% | 5 | 100.00% |
const struct nvkm_sclass
nvkm_udevice_sclass = {
.oclass = NV_DEVICE,
.minver = 0,
.maxver = 0,
.ctor = nvkm_udevice_new,
};
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 1907 | 99.95% | 16 | 94.12% |
| Baoyou Xie | 1 | 0.05% | 1 | 5.88% |
| Total | 1908 | 100.00% | 17 | 100.00% |
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